/Engine/Source/Runtime/GeometryCore/Public/MeshAdapter.h
Most generic / lazy example of a triangle mesh adapter; possibly useful for prototyping / building on top of (but slower than making a more specific-case adapter)
template<typename RealType> struct TTriangleMeshAdapter
TFunction< uint...
GetChangeStamp
TFunction<FInd...
GetTriangle
TFunction<TVec...
GetVertex
TFunction< bool...
IsTriangle
TFunction< bool...
IsVertex
TFunction< int3...
MaxTriangleID
TFunction< int3...
MaxVertexID
TFunction< int3...
TriangleCount
TFunction< int3...
VertexCount